Search Results - "Castellucci, John B."

In vivo real-time 3-D intracardiac echo using PMUT arrays by Dausch, David E., Gilchrist, Kristin H., Carlson, James B., Hall, Stephen D., Castellucci, John B., von Ramm, Olaf T.

“…Piezoelectric micromachined ultrasound transducer (PMUT) matrix arrays were fabricated containing novel through-silicon interconnects and integrated into…”
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Real-time three-dimensional echocardiography for determining right ventricular stroke volume in an animal model of chronic right ventricular volume overload by SHIOTA, T, JONES, M, SAHN, D. J, CHIKADA, M, FLEISHMAN, C. E, CASTELLUCCI, J. B, COTTER, B, DEMARIA, A. N, VON RAMM, O. T, KISSLO, J, RYAN, T

“…The lack of a suitable noninvasive method for assessing right ventricular (RV) volume and function has been a major deficiency of two-dimensional (2D)…”
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Theory and operation of 2-D array piezoelectric micromachined ultrasound transducers by Dausch, D., Castellucci, J., Chou, D., von Ramm, O.

“…Piezoelectric micromachined ultrasound transducers (pMUTs) are a new approach for the construction of 2-D arrays for forward-looking 3-D intravascular (IVUS)…”
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Live volumetric imaging (LVI) intracardiac ultrasound catheter by Dausch, David E, Castellucci, John B, Gilchrist, Kristin H, Carlson, James B, Hall, Stephen D, von Ramm, Olaf T

“…Summary The Live Volumetric Imaging (LVI) catheter is capable of real-time 3D intracardiac echo (ICE) imaging, uniquely providing full volume sectors with deep…”
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Interactive volume rendering of real-time three-dimensional ultrasound images by Kuo, J., Bredthauer, G.R., Castellucci, J.B., von Ramm, O.T.

“…Real-time, three-dimensional (RT3D) ultrasound allows video frame rate volumetric imaging. The ability to acquire full three-dimensional (3-D) image data in…”
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Quantification of aortic regurgitation by real-time 3-dimensional echocardiography in a chronic animal model: computation of aortic regurgitant volume as the difference between left and right ventricular stroke volumes by Irvine, T, Stetten, G D, Sachdev, V, Zetts, A D, Jones, M, Mori, Y, Ramsperger, C, Castellucci, J B, Kenny, A, Panza, J A, von Ramm, O T, Sahn, D J

“…The accuracy of conventional 2-dimensional echocardiographic and Doppler techniques for the quantification of valvular regurgitation remains controversial. In…”
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Improved pulse-echo imaging performance for flexure-mode pMUT arrays by Dausch, David E., Gilchrist, Kristin H., Carlson, James R., Castellucci, John B., Chou, Derrick R., von Ramm, Olaf T.

“…Piezoelectric micromachined ultrasound transducers (pMUTs) are potential candidates for catheter-based ultrasound phased arrays. pMUTs consist of lead…”
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